diff --git a/CMakeLists.txt b/CMakeLists.txt
index 241be4c..d7b0eba 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -129,13 +129,14 @@ if (LLAMA_ALL_WARNINGS)
             -Wshadow
             -Wstrict-prototypes
             -Wpointer-arith
+            -Wno-unused-function
         )
         set(cxx_flags
             -Wall
             -Wextra
             -Wpedantic
             -Wcast-qual
-            -Wdouble-promotion
+            -Wno-unused-function
         )
     else()
         # todo : msvc
diff --git a/tests/test-tokenizer-0.cpp b/tests/test-tokenizer-0.cpp
index 3820553..55b086d 100644
--- a/tests/test-tokenizer-0.cpp
+++ b/tests/test-tokenizer-0.cpp
@@ -77,5 +77,7 @@ int main(int argc, char **argv) {
         }
     }
 
+    llama_free(ctx);
+
     return 0;
 }